Dynamic Radar Cruise Control System

CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU

1. CHECK DISTANCE CONTROL ECU













(a) Reference: waveform 1
- Terminal: LRDD - SGND
- Gauge set: 2 V/DIV., 10 msec./DIV.
- Condition: Engine switch on (IG)





(b) Reference: waveform 2
- Terminal: LRRD - SGND
- Gauge set: 2 V/DIV., 5 msec./DIV.
- Condition: Engine switch on (IG)

2. CHECK ECM









HINT:
- 2GR-FSE (*1)
- 4GR-FSE (*2)

If the value is not within the specified range, the ECM may have a malfunction.
3. CHECK MILLIMETER WAVE RADAR SENSOR













(a) Reference: waveform 1
- Terminal: LRDD - SGND
- Gauge set: 2 V/DIV., 10 msec./DIV.
- Condition: Engine switch on (IG)





(b) Reference: waveform 2
- Terminal: LRRD - SGND
- Gauge set: 2 V/DIV., 5 msec./DIV.
- Condition: Engine switch on (IG)